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<h1 class="topictitle1">Managing Detection Models</h1>
<div><p>You can view, update, activate, or delete a ransomware detection model.</p>
<p>On the navigation pane, choose <span class="uicontrol"><b>Data Security</b></span> &gt; <span class="uicontrol"><b>Ransomware Protection</b></span> &gt; <span class="uicontrol"><b>Detection Model</b></span>. Perform management operations by following the instructions in <a href="#EN-US_TOPIC_0000002042804932__table11338122894717">Table 1</a>.</p>

<div class="tablenoborder"><a name="EN-US_TOPIC_0000002042804932__table11338122894717"></a><a name="table11338122894717"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002042804932__table11338122894717" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Detection model management operations</caption><colgroup><col style="width:14.149999999999999%"><col style="width:51.77%"><col style="width:34.07%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="14.151415141514152%" id="mcps1.3.3.2.4.1.1"><p>Operation</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="51.77517751775178%" id="mcps1.3.3.2.4.1.2"><p>Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="34.07340734073407%" id="mcps1.3.3.2.4.1.3"><p>Navigation Path</p>
</th>
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</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.3.2.4.1.1 "><p>Viewing a detection model</p>
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<td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Context</strong></p>
<p>Viewing a detection model enables you to know its basic information and activation status.</p>
</td>
<td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.3.2.4.1.3 "><p>In the detection model list, view the version, import time, signature information, description, and activation status.</p>
</td>
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<tr><td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.3.2.4.1.1 "><p>Updating a detection model</p>
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<td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Context</strong></p>
<p>Common detection models are preset in the system. You can import the latest detection model (if any) of the storage system, or import or reactivate a detection model of an earlier version if it works better in your scenario.</p>
<p><strong>Precautions</strong></p>
<ul><li>Obtain the latest detection model from Huawei technical support engineers.</li><li>A detection model is automatically activated after being imported. The earlier one enters <span class="uicontrol"><b>Inactivated</b></span> status.</li><li>The import does not affect ongoing detection jobs. Ongoing detection jobs still use the earlier detection model. The new detection model will be used in the next job.</li></ul>
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<td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.3.2.4.1.3 "><p>On the <strong>Detection Model</strong> page, click <span class="uicontrol"><b>Import</b></span>.</p>
</td>
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<tr><td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.3.2.4.1.1 "><p>Activating a detection model</p>
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<td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Context</strong></p>
<p>To use an inactivated detection model to detect ransomware, activate it first.</p>
<p><strong>Precautions</strong></p>
<ul><li>Only detection models in <span class="uicontrol"><b><span><strong>Inactivated</strong></span></b></span> status can be activated.</li><li>Only one detection model in <span class="uicontrol"><b><span><strong>Activated</strong></span></b></span> status exists in the system. The activated detection model is automatically deactivated after you activate or import a new one.</li><li>If a previously activated detection model is being used for ransomware detection, the newly activated or imported one enters the <span class="uicontrol"><b><span><strong>Activated</strong></span></b></span> state but does not affect the ongoing detection job and will take effect in new jobs.</li></ul>
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<td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.3.2.4.1.3 "><p>Choose <strong>More</strong> &gt; <strong>Activate</strong> in the <span><strong>Operation</strong></span> column on the right of the desired detection model.</p>
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<tr><td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.3.2.4.1.1 "><p>Deleting a detection model</p>
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<td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Context</strong></p>
<p>Detection models that are no longer used for ransomware detection can be deleted.</p>
<p><strong>Precautions</strong></p>
<p>Only detection models in <span class="uicontrol"><b><span><strong>Inactivated</strong></span></b></span> status can be deleted.</p>
</td>
<td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.3.2.4.1.3 "><p>Choose <strong>More</strong> &gt; <strong>Delete</strong> in the <span><strong>Operation</strong></span> column on the right of the desired detection model.</p>
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</table>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000002079002529.html">Data Security</a></div>
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